package com.leyou.item.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.leyou.common.utils.JsonUtils;
import com.leyou.item.dto.SpecParamDTO;
import com.leyou.item.dto.SpuDetailDTO;
import com.leyou.item.entity.Spu;
import com.leyou.item.entity.SpuDetail;
import com.leyou.item.mapper.SpuDetailMapper;
import com.leyou.item.mapper.SpuMapper;
import com.leyou.item.service.SpuDetailService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Map;

@Service
public class SpuDetailServiceImpl extends ServiceImpl<SpuDetailMapper, SpuDetail> implements SpuDetailService {

    @Autowired
    private SpuDetailService detailService;
    @Autowired
    private SpuMapper spuMapper;
    @Autowired
    private SpecParamServiceImpl paramService;

    @Override
    public SpuDetailDTO getDetailById(Long id) {
        return new SpuDetailDTO(detailService.getById(id));
    }

    /**
     * 查询商品规格参数键值对
     * @param id
     * @param searching
     * @return
     */
    @Override
    public List<SpecParamDTO> querySpecValues(Long id, Boolean searching) {
        //准备规格参数value
        //准备id查询spuDetail
        SpuDetail detail = getById(id);
        //获取其中的规格参数键值对 转为一个map
        Map<Long, Object> specValues = JsonUtils.toMap(detail.getSpecification(), Long.class, Object.class);
        //准备规格参数对象
        //根据id查询spu 获取商品分类信息
        Spu spu = spuMapper.selectById(id);
        //根据分类id查询规格参数集合，
        // 如果searching不为空 还要加上Serarching条件
        List<SpecParamDTO> params = paramService.queryParams(spu.getCid3(), null, searching);
        //找到param的value 并存储
        for (SpecParamDTO param : params) {
            param.setValue(specValues.get(param.getId()));
        }

        return params;
    }
}
